| <!doctype html> |
| <html class="test-wait"> |
| <title>Crash when detaching a frame during a lazy-load operation</title> |
| <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> |
| <link rel="author" href="https://mozilla.org" title="Mozilla"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1619858"> |
| <iframe srcdoc=""></iframe> |
| <script> |
| onload = function() { |
| let frame = document.querySelector("iframe"); |
| frame.contentDocument.body.innerHTML = ` |
| <div style="height: 300vh"></div> |
| <img loading="lazy" src="/images/blue96x96.png" width=96 height=96> |
| `; |
| let img = frame.contentDocument.querySelector("img"); |
| new IntersectionObserver(() => { |
| frame.remove(); |
| requestAnimationFrame(function() { |
| requestAnimationFrame(function() { |
| document.documentElement.className = ""; |
| }); |
| }); |
| }).observe(img); |
| frame.contentWindow.scrollTo(0, img.getBoundingClientRect().top); |
| }; |
| </script> |
